amc13::Trailer Class Reference

#include <AMC13Spec.h>

Public Member Functions
bool	check (unsigned int crc, unsigned int block, unsigned int lv1_id, unsigned int bx) const
unsigned int	getBlock () const
unsigned int	getBX () const
unsigned int	getCRC () const
unsigned int	getLV1ID () const
uint64_t	raw () const
	Trailer (const uint64_t *data)
	Trailer (unsigned int blk, unsigned int lv1, unsigned int bx)

Static Public Member Functions
static void	writeCRC (const uint64_t *start, uint64_t *end)

Private Attributes
uint64_t	data_

Static Private Attributes
static const unsigned int	BlkNo_mask = 0xff
static const unsigned int	BlkNo_shift = 20
static const unsigned int	BX_mask = 0xfff
static const unsigned int	BX_shift = 0
static const unsigned int	CRC_mask = 0xffffffff
static const unsigned int	CRC_shift = 32
static const unsigned int	LV1_mask = 0xff
static const unsigned int	LV1_shift = 12

Detailed Description

Definition at line 42 of file AMC13Spec.h.

Constructor & Destructor Documentation

amc13::Trailer::Trailer ( const uint64_t *  data )

inline

Definition at line 44 of file AMC13Spec.h.

: data_(data[0]) {};

amc13::Trailer::Trailer	(	unsigned int	blk,
		unsigned int	lv1,
		unsigned int	bx
	)

Definition at line 27 of file AMC13Spec.cc.

References amc13::Header::data_.

   {
      data_ =
         (static_cast<uint64_t>(blk & BlkNo_mask) << BlkNo_shift) |
         (static_cast<uint64_t>(lv1 & LV1_mask) << LV1_shift) |
         (static_cast<uint64_t>(bx & BX_mask) << BX_shift);
   }

Member Function Documentation

bool amc13::Trailer::check	(	unsigned int	crc,
		unsigned int	block,
		unsigned int	lv1_id,
		unsigned int	bx
	)		const

Definition at line 36 of file AMC13Spec.cc.

References TauDecayModes::dec.

Referenced by amc13::Packet::parse().

   {
      if ((crc != 0 && crc != getCRC()) || block != getBlock() || (lv1_id & LV1_mask) != getLV1ID() || (bx & BX_mask) != getBX()) {
         edm::LogWarning("L1T")
            << "Found AMC13 trailer with:"
            << "\n\tBX " << getBX() << ", LV1 ID " << getLV1ID() << ", block # " << getBlock()
            << ", CRC " << std::hex << std::setw(8) << std::setfill('0') << getCRC() << std::dec
            << "\nBut expected:"
            << "\n\tBX " << (bx & BX_mask) << ", LV1 ID " << (lv1_id & LV1_mask) << ", block # " << block
            << ", CRC " << std::hex << std::setw(8) << std::setfill('0') << crc;
         return false;
      }
      return true;
   }

unsigned int amc13::Trailer::getBlock ( ) const

inline

Definition at line 48 of file AMC13Spec.h.

Referenced by omtf::OmtfUnpacker::produce().

{ return (data_ >> BlkNo_shift) & BlkNo_mask; };

unsigned int amc13::Trailer::getBX ( ) const

inline

Definition at line 50 of file AMC13Spec.h.

Referenced by omtf::OmtfUnpacker::produce().

{ return (data_ >> BX_shift) & BX_mask; };

unsigned int amc13::Trailer::getCRC ( ) const

inline

Definition at line 47 of file AMC13Spec.h.

Referenced by omtf::OmtfUnpacker::produce().

{ return (data_ >> CRC_shift) & CRC_mask; };

unsigned int amc13::Trailer::getLV1ID ( ) const

inline

Definition at line 49 of file AMC13Spec.h.

Referenced by omtf::OmtfUnpacker::produce().

{ return (data_ >> LV1_shift) & LV1_mask; };

uint64_t amc13::Trailer::raw ( ) const

inline

Definition at line 52 of file AMC13Spec.h.

References groupFilesInBlocks::block, edm::check(), and end.

{ return data_; };

void amc13::Trailer::writeCRC ( const uint64_t *  start, uint64_t *  end  )

static

Definition at line 52 of file AMC13Spec.cc.

References cms::CRC32Calculator::checksum(), and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by amc13::Packet::write().

   {
      std::string dstring(reinterpret_cast<const char*>(start), reinterpret_cast<const char*>(end) + 4);
      auto crc = cms::CRC32Calculator(dstring).checksum();

      *end = ((*end) & ~(uint64_t(CRC_mask) << CRC_shift)) | (static_cast<uint64_t>(crc & CRC_mask) << CRC_shift);
   }

Member Data Documentation

const unsigned int amc13::Trailer::BlkNo_mask = 0xff

staticprivate

Definition at line 60 of file AMC13Spec.h.

const unsigned int amc13::Trailer::BlkNo_shift = 20

staticprivate

Definition at line 59 of file AMC13Spec.h.

const unsigned int amc13::Trailer::BX_mask = 0xfff

staticprivate

Definition at line 64 of file AMC13Spec.h.

const unsigned int amc13::Trailer::BX_shift = 0

staticprivate

Definition at line 63 of file AMC13Spec.h.

const unsigned int amc13::Trailer::CRC_mask = 0xffffffff

staticprivate

Definition at line 58 of file AMC13Spec.h.

const unsigned int amc13::Trailer::CRC_shift = 32

staticprivate

Definition at line 57 of file AMC13Spec.h.

uint64_t amc13::Trailer::data_

private

Definition at line 66 of file AMC13Spec.h.

const unsigned int amc13::Trailer::LV1_mask = 0xff

staticprivate

Definition at line 62 of file AMC13Spec.h.

const unsigned int amc13::Trailer::LV1_shift = 12

staticprivate

Definition at line 61 of file AMC13Spec.h.